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高压锅为什么沸点高
更新时间: 2020-07-15 00:00:00  

因为水的沸点受气压影响,气压越高,沸点越高。

高压锅把水相当紧密地封闭起来,水受热蒸发产生的水蒸气不能扩散到空气中,只能保留在高压锅内,就使高压锅内部的气压高于1个大气压,也使水要在高于100摄氏度时才沸腾。

关键词: 高压锅 为什么 沸点

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